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DAS-212
< REMOVAL AND INSTALLATION >[DCA]
ICC SENSOR
REMOVAL AND INSTALLATION
ICC SENSOR
Exploded ViewINFOID:0000000006228177
CAUTION:
Always perform the laser beam aiming adjustme
nt and check the operation after the replacement,
removal and installati on of ICC sensor.
Removal and InstallationINFOID:0000000006228178
REMOVAL
1. Remove front under cover. Refer to EXT-25, "Exploded View".
2. Disconnect the connector of ICC sensor.
3. Remove the bolts.
4. Remove ICC sensor from front bumper reinforcement. NOTE:
Remove ICC sensor from under the bumper.
INSTALLATION
Install in the reverse order of removal.
CAUTION:
Always perform the laser beam aiming adjustme nt and check the operation after the replacement,
removal, and installation of ICC sensor. Refer to CCS-71, "
Description".
1. ICC sensor 2. Front bumper reinforcement
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DAS
ACCELERATOR PEDAL ASSEMBLYDAS-213
< REMOVAL AND INSTALLATION > [DCA]
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ACCELERATOR PEDAL ASSEMBLY
Exploded ViewINFOID:0000000006223668
Refer to ACC-4, "MODELS WITH DISTANCE CONT ROL ASSIST SYSTEM : Exploded View".
CAUTION:
Always perform accelerator pedal released position l earning after replacement, removal, or installa-
tion of accelerator pedal assembly, and then check the DCA system operation. Refer to DAS-127,
"Description".
Revision: 2010 May2011 QX56
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DAS-214
< REMOVAL AND INSTALLATION >[DCA]
DYNAMIC DRIVER ASSISTANCE SWITCH
DYNAMIC DRIVER ASSISTANCE SWITCH
Exploded ViewINFOID:0000000006223669
Dynamic driver assistance switch is integr
ated in the ICC steering switch. Refer to ST-33, "Exploded View".
NOTE:
Always remove ICC steering swit ch together with steering wheel.
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DAS
PRECAUTIONSDAS-215
< PRECAUTION > [FCW]
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PRECAUTION
PRECAUTIONS
Precaution for FCW System ServiceINFOID:0000000006223670
CAUTION:
Never look straight into th e laser beam discharger when adjusting laser beam aiming.
Turn the FCW system OFF in conditions similar to driving, such as free rollers or a chassis dyna-
mometer.
Never use the ICC sensor removed from vehicle. Never disassemble or remodel.
Erase DTC when replacing parts of ICC system, then check the operation of ICC system after adjust-
ing laser beam aiming if necessary.
Never change FCW initial state ON ⇒ OFF without the con sent of the customer.
Revision: 2010 May2011 QX56
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![INFINITI QX56 2011 Factory Service Manual
DAS-216
< SYSTEM DESCRIPTION >[FCW]
COMPONENT PARTS
SYSTEM DESCRIPTION
COMPONENT PARTS
Component Parts LocationINFOID:0000000006223671
Component DescriptionINFOID:0000000006223672
1. Information disp INFINITI QX56 2011 Factory Service Manual
DAS-216
< SYSTEM DESCRIPTION >[FCW]
COMPONENT PARTS
SYSTEM DESCRIPTION
COMPONENT PARTS
Component Parts LocationINFOID:0000000006223671
Component DescriptionINFOID:0000000006223672
1. Information disp](/manual-img/42/57033/w960_57033-1180.png)
DAS-216
< SYSTEM DESCRIPTION >[FCW]
COMPONENT PARTS
SYSTEM DESCRIPTION
COMPONENT PARTS
Component Parts LocationINFOID:0000000006223671
Component DescriptionINFOID:0000000006223672
1. Information display, IBA OFF indica-
tor lamp, buzzer
(On the combination meter) 2. ABS actuator and electric unit (con-
trol unit)
Refer to BRC-10, "
Component Parts
Location"
3. ICC sensor
Refer to CCS-9, "
Component Parts
Location"
4. Warning systems switch 5. Warning systems ON indicator 6. ADAS control unit
Refer to DAS-13, "
Component Parts
Location"
A. Instrument lower panel (LH)
JSOIA0366ZZ
Component Description
ADAS control unit ADAS control unit turns ON warning systems ON indicator
ADAS control unit transmits a buzzer output signal to combination meter via CAN commu-
nication
ICC sensor ICC sensor detects light reflected from a vehicle ahead by irradiating laser forward and cal-
culates a distance from the vehicle ahead and a relative speed, based on the detected sig-
nal
ICC sensor transmits the presence/absence of a vehicle ahead and a distance from the ve- hicle ahead to the ADAS control unit via CAN communication
ABS actuator and electric unit
(control unit) ABS actuator and electric unit (c
ontrol unit) transmits the vehicle speed signal (wheel speed),
to ADAS control unit via CAN communication
Warning systems switch Inputs the warning systems switch signal to ADAS control unit.
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DAS
COMPONENT PARTSDAS-217
< SYSTEM DESCRIPTION > [FCW]
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Warning systems ON indicator
(In the warning systems switch) Turns warning systems ON indicator ON/OFF according to the signals from the ADAS control
unit
Warning systems ON indicator turns on, according to an warning systems ON indicator signal.
Combination meter Performs the following operations using the signals received from the ADAS control unit via
the CAN communication
Blinks the vehicle ahead detection indicator according to a meter display signal
Illuminates the IBA OFF indicator lamp using the IBA OFF indicator lamp signal
Operates the buzzer (ICC warning chime) using the buzzer output signal
Component Description
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DAS-218
< SYSTEM DESCRIPTION >[FCW]
SYSTEM
SYSTEM
System DescriptionINFOID:0000000006223673
SYSTEM DIAGRAM
ADAS CONTROL UNIT INPU
T/OUTPUT SIGNAL ITEM
Input Signal Item
Output Signal Item
DESCRIPTION INFINITI QX56 2011 Factory Service Manual
DAS-218
< SYSTEM DESCRIPTION >[FCW]
SYSTEM
SYSTEM
System DescriptionINFOID:0000000006223673
SYSTEM DIAGRAM
ADAS CONTROL UNIT INPU
T/OUTPUT SIGNAL ITEM
Input Signal Item
Output Signal Item
DESCRIPTION](/manual-img/42/57033/w960_57033-1182.png)
DAS-218
< SYSTEM DESCRIPTION >[FCW]
SYSTEM
SYSTEM
System DescriptionINFOID:0000000006223673
SYSTEM DIAGRAM
ADAS CONTROL UNIT INPU
T/OUTPUT SIGNAL ITEM
Input Signal Item
Output Signal Item
DESCRIPTION
The Forward Collision Warning (FCW) system will warn the driver by a warning lamp (vehicle ahead detec-
tion indicator) and chime when own vehicle is getting close to the vehicle ahead in the traveling lane.
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Transmit unit Signal name Description
ABS actuator
and electric unit
(control unit) CAN com-
munica-
tion
Vehicle speed signal (ABS) Receives wheel speeds of four wheels
ICC sensor ITS com-
munica-
tion
ICC sensor signal
Receives detection results, such as the presence or ab-
sence of a leading vehicle and distance from the vehicle
Warning sys-
tems switch Warning systems switch signal Receives an ON/OFF state of the warning systems
switch
Reception unit Signal name Description
Combination
meter CAN commu-
nicationMeter display
signal
Vehicle ahead detec-
tion indicator signal Transmits a signal to display a state of the system on
the information display
IBA OFF indicator lamp signal Transmits a signal to turn ON the IBA OFF indicator
lamp
Transmits an ON/OFF state of the intelligent brake assist
Buzzer output signal Transmits a buzzer output signal to activate the buzz-
er
ICC sensor ITS commu-
nication
Vehicle speed signal Transmits a vehicle speed calculated by the ADAS
control unit
Warning sys-
tems ON indi-
cator Warning systems ON indicator signal Turns ON the warning systems ON indicator
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DAS
SYSTEM
DAS-219
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The FCW system will function when own vehicle is dr iven at speeds of approximately 15 km/h (10 MPH) and
above.
NOTE:
Th INFINITI QX56 2011 Factory Service Manual
DAS
SYSTEM
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The FCW system will function when own vehicle is dr iven at speeds of approximately 15 km/h (10 MPH) and
above.
NOTE:
Th](/manual-img/42/57033/w960_57033-1183.png)
DAS
SYSTEM
DAS-219
< SYSTEM DESCRIPTION >[FCW]
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The FCW system will function when own vehicle is dr iven at speeds of approximately 15 km/h (10 MPH) and
above.
NOTE:
The FCW system shares the di agnosis function with ICC system.
FUNCTION DESCRIPTION
The distance from the vehicle ahead and a relative speed are calculated by using the ICC sensor and an ICC
sensor signal is transmitted to t he ADAS control unit via ITS communi cation. When judging the necessity of
warning according to the received vehicle ahead detection signal, the ADAS control unit transmits a buzzer
output signal and meter display signal to the combination meter via CAN communication.
FCW Operating Condition
Warning systems ON indicator: ON
Vehicle speed: Approximately 15 km/h (10 MPH) and above.
Fail-safe Indication
FCW INITIAL STATE CHANGE
CAUTION:
Never change FCW initial state “ON” ⇒ “OFF” without the con sent of the customer.
FCW initial state can be changed.
FCW initial ON* - FCW function is automatically turned ON, when the ignition switch OFF ⇒ ON.
FCW initial OFF - FCW function is still OFF when the ignition switch OFF ⇒ ON.
*: Factory setting
How to change FCW/LDW/BSW initial state1. Turn ignition switch ON.
2. Warning systems switch is OFF.
3. Push and hold warning systems switch for more than 4 seconds.
4. Buzzer sounds and blinking of the warning systems ON indicator informs that the FCW/LDW/BSW initial
state change is completed.
Fail-safe (ADAS Control Unit)INFOID:0000000006223674
If a malfunction occurs in each s ystem, ADAS control unit cancels eac h control, sounds a beep, and turns ON
the warning lamp or indicator lamp.
Vehicle condition Indication on the combination meter
When the FCW system malfunctions
When the sensor window is dirty
When driving into a strong light (i.e. sunlight)
NOTE:
Check that the IBA system is not OFF. The indicator lamp is shared
with IBA system.
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System Buzzer Warning lamp/Indicator lamp Description
Vehicle-to-vehicle distance control mode High-pitched
toneICC system warning lamp Cancel
Conventional (fixed speed) cruise control mode High-pitched
toneICC system warning lamp Cancel
Intelligent Brake Assist (IBA) High-pitched
tone
IBA OFF indicator lamp Cancel
Forward Collision Warning (FCW) High-pitched
tone
IBA OFF indicator lamp Cancel
Distance Control Assist (DCA) High-pitched
toneICC system warning lamp Cancel
Lane Departure Warning (LDW) — Lane departure warning lamp Cancel
Revision: 2010 May2011 QX56